The spelling of the word "most issuing" may seem confusing at first glance, but it can be easily explained using the International Phonetic Alphabet (IPA). The word is pronounced /ˈmoʊst ˈɪʃuɪŋ/, with the stress on the first syllable of both words. "Most" is pronounced as /moʊst/, while "issuing" is pronounced as /ˈɪʃuɪŋ/. The word "issuing" means producing or sending out, and when combined with "most", it creates a phrase that signifies the largest or most significant producer or sender of something.